Vintage illustration of metal heat conducting 1940s.

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Size: 3189px × 2480px
Photo credit: © Michelle Bridges / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: 1940s, brass, bunsen, burner, burning, conducting, conductor, copper, drawing, educational, electricity, energy, ephemera, experiment, gas, heat, history, illustration, iron, lead, melting, metal, paper, rods, science, social, vintage, waxed, wood